3-Oxo-6-phenyl-2,3-dihydropyridazine-4-carboxylic acid CAS 87769-67-3
| CAS No. | 87769-67-3 |
| Molecular Formula | C11H8N2O3 |
| Molecular Weight | 216.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
3-Oxo-6-phenyl-2,3-dihydropyridazine-4-carboxylic acid (CAS 87769-67-3), molecular formula C11H8N2O3 and molecular weight 216.19 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 3-Oxo-6-phenyl-2,3-dihydropyridazine-4-carboxylic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 216.19 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 3-Oxo-6-phenyl-2,3-dihydropyridazine-4-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C11H8N2O3 |
| Molecular Weight | 216.19 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 2 |
Recommended Standards
- 3-Oxo-2-phenyl-2,3-dihydropyridazine-4-carboxylic acid (CAS 83297-18-1)
- 4-(2-(Acryloyloxy)ethoxy)-4-oxobutanoic acid (CAS 50940-49-3)
- 3-Nitro-2-phenoxypyridine (CAS 76893-44-2)
- 4-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzamide (CAS 98697-26-8)
- (S,R,S)-AHPC-CO-C1-piperazine HCl (CAS 2417258-49-0)
- 1-(4-Chlorophenyl)octan-1-one (CAS 7295-52-5)
- 2-(2,2-Dimethylpiperazin-1-yl)acetic acid (CAS 1493684-91-5)
- 3,4-bis(tert-butoxycarbonylamino)benzoic acid (CAS 66636-17-7)
- 1-Ethyl-6-methylquinolin-4(1H)-one (CAS 127286-00-4)
- Cariprazine Impurity 4 (CAS CATO-C4X-24084)
- Ethyl 6-chloro-8-methylimidazo[1,2-a]pyridine-2-carboxylate (CAS 1523464-12-1)
- 2-(Aminomethyl)-6-(trifluoromethylthio)benzo[d]oxazole (CAS 1803862-07-8)
- Posaconazole Impurity 153 (CAS 13578-51-3)
- Thymopoietin II Peptide Fragment (CAS 56795-64-3)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com